Development of 610 MPa Grade Steel Plate with Low Yield Ratio through Thermo-Mechanical Controlled Processing with Accelerated Cooling

摘要

A TMCP-AcC process has been developed at Institute of Research of Iron and Steel (IRIS)/Sha-steel to produce 40 mm steel plate with a good combination of ultimate tensile strength=610 MPa, low yield ratio=0. 72, high CVN>150 J at 0